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Prediction of Early-Age Cracking of Fiber-Reinforced Concrete due to Restrained Shrinkage

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Fibers are increasingly being added to concrete mixtures enhance the cracking resistance of concrete. In this study, a method to predict cracking of fiber-reinforced concrete due to restrained drying shrinkage is proposed, and a comparison between test data and analysis results is made. In the prediction, major influencing factors on cracking, drying shrinkage based on moisture diffusion, creep, cracking resistance of concrete, and the effect of added fiber were incorporated. It is shown that the results obtained from the incorporated models can predict the cracking time and crack width varying over time of plain and fiber-reinforced concrete in a satisfactory manner. [PUBLICATION ABSTRACT]

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									 ACI MATERIALS JOURNAL                                                                                     TECHNICAL PAPER
Title no. 105-M44


Prediction of Early-Age Cracking of Fiber-Reinforced
Concrete due to Restrained Shrinkage
by Seung Hee Kwon and Surendra P. Shah

Fibers are increasingly being added to concrete mixtures enhance                A number of studies have focused on prediction of shrinkage
the cracking resistance of concrete. In this study, a method to              cracking of plain and fiber-reinforced concrete.15-20 Many
predict cracking of fiber-reinforced concrete due to restrained              of these studies assume that drying shrin
								
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